Takayuki Nakajima

According to our database, Takayuki Nakajima authored at least 8 papers between 1982 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2023

10-km Transmission of 106-Gb/s PAM4 with Directly Modulated DFB Lasers in the CWDM Range.

Shuhei Ohno, Masaru Onga, Takayuki Nakajima, Akira Nakanishi, Noriko Sasada, Shinichi Tanaka, Ryosuke Nakajima, Kazuhiko Naoe

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

2021

106-Gb/s PAM4 Operation of Directly Modulated DFB Lasers from 25 to 70°C for Transmission over 2-km SMF in the CWDM range.

Takayuki Nakajima, Masaru Onga, Yuji Sekino, Akira Nakanishi, Noriko Sasada, Shigenori Hayakawa, Shigetaka Hamada, Kazuhiko Naoe

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021

2020

Investigation on e-Learning Status Estimation for New Learners - Classifier Selection on Representative Sample Selection.

Siyang Yu, Kazuaki Kondo, Yuichi Nakamura, Takayuki Nakajima, Masatake Dantsuji

IEICE Trans. Inf. Syst., 2020

2019

Visual Emphasis of Lip Protrusion for Pronunciation Learning.

Siyang Yu, Kazuaki Kondo, Yuichi Nakamura, Takayuki Nakajima, Hiroaki Nanjo, Masatake Dantsuji

IEICE Trans. Inf. Syst., 2019

2018

Wide-Temperature-Range (25°C to 80°C) 53-Gbaud PAM4 (106-Gb/s) Operation of 1.3-µm Directly Modulated DFB Lasers for 10-km Transmission.

Noriko Sasada, Takayuki Nakajima, Yuji Sekino, Akira Nakanishi, M. Mukaikubo, M. Ebisu, Masatoshi Mitaki, Shigenori Hayakawa, Kazuhiko Naoe

Proceedings of the European Conference on Optical Communication, 2018

2017

Learning State Recognition in Self-Paced E-Learning.

Siyang Yu, Kazuaki Kondo, Yuichi Nakamura, Takayuki Nakajima, Masatake Dantsuji

IEICE Trans. Inf. Syst., 2017

1990

Pole-zero structure based on two-source vocal tract model, PSE inspection of continuous speech vowel part.

Takayuki Nakajima, Hiroshi Ohmura

Proceedings of the First International Conference on Spoken Language Processing, 1990

1982

Non-steady state speech analysis method with dynamic feature enhancing effect.

Takayuki Nakajima, Torazo Suzuki, Hiroshi Ohmura

Proceedings of the IEEE International Conference on Acoustics, 1982